I've re-ordered the PIP list into something a bit more like the order in which one can find them. The following list is in the order in which I got the points:
1. - Search the plant in the office.
2. - Search the bin in the office.
3. - Use flashlight with robot.
4. - Search the toolbox three times.
5. - Use the hammer with the lamp above the barn.
6. - After talking the plank (Gary) off the barn search the hole.
7. - Use the hammer with your robot.
8. - Use the spade with the water trough.
9. - Use CD in Office P2 with robot.
10. - Use Burger from Diner with King in the stocks.
11. - Show Patient medical chart. :)
12. - Use Stethoscope with Patient.
13. - Examine the earth in Penguin Garden.
14. - Use Stethoscope on dog.
15. - Use Rollerskates with Witch in Penguin Garden.
16. - Use sword from Doctor with Skeleton in Diner.
17. - Use Mirror on Harry.
18. - Use the Milkshake from the Diner with the Patient.